Inventor · disambiguated record
Zhi-Chang Liu
Also filed as: Liu zhi-chang
4 granted patents·16 citations·filing 2019–2021
64Inventor score
Files withSHENZHEN JASHEN TECH CO LTD4
Top patents by PatentIndex Score
4 records- 0185USD990079SElectric cleaning deviceSHENZHEN JASHEN TECH CO LTD·Filed 2021·Granted Jun 20, 2023·16 cites·1 claims
- 0263US11571721B2Drainage system for automatic cleaning storage base of electric mopSHENZHEN JASHEN TECH CO LTD·Filed 2019·Granted Feb 7, 2023·0 cites·4 claims
- 0352US11565285B2Self-cleaning automatically-stored electrical mopSHENZHEN JASHEN TECH CO LTD·Filed 2019·Granted Jan 31, 2023·0 cites·12 claims
- 0423USD925849SElectric cleaning deviceSHENZHEN JASHEN TECH CO LTD·Filed 2019·Granted Jul 20, 2021·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →